Nicholas R. Caldwell

Nicholas Robert Caldwell (born 27 June 1936) was a colonel of the US Marine Corps who fought in the Vietnam War.

Biography
Nicholas Robert Caldwell was born in Wilmington, North Carolina on 27 June 1936. Caldwell enlisted in the US Marine Corps in 1954 at the age of 18, and he was made a captain in 1960, when he was assigned to join MACV-SOG on a covert operation to South Vietnam. Caldwell assisted in training the South Vietnamese Army (SVA) in the years preceding the start of United States involvement in the Vietnam War, and he was made the colonel of the 17th Marine Regiment in 1964. Caldwell's regiment won Operation Heavy Hardware in 1968, destroying North Vietnamese Army forces near Khe Sanh. Caldwell's regiment was one of the last to leave Vietnam, withdrawing in August 1973.